| Changed Subcategory Details For: Public Safety Services | ericcarlson | 2020-03-07 15:50:07 |
| Frequencies Updated (Updated: 4, Deleted 0) for Security Companies | ericcarlson | 2020-03-07 15:45:20 |
| 4 Frequencies imported | ericcarlson | 2020-03-07 15:45:07 |
| Added Frequency 462.3500 (Santiago) | ericcarlson | 2020-03-07 15:43:36 |
| Added Subcategory: Public Safety Services | ericcarlson | 2020-03-07 15:43:10 |
| Added Frequency 461.125 (ADT Security) | LAflyer | 2011-12-16 23:11:40 |
| Added Subcategory: ADT Security Services | LAflyer | 2011-12-16 23:11:10 |
| Added category (Security Companies 99) | LAflyer | 2011-12-16 23:10:20 |
| Agency: Security changed from Security (Business Group) to Security (Business Group) | LAflyer | 2011-12-16 23:09:58 |
